Rice William G.
SEC insider (Form 3/4/5 filer). CIK 0001761487. Chair, President & CEO at Aptose Biosciences Inc. (APTO). 2 reported Form 4/5 transactions since Sep 2024; latest on Jun 30, 2026. Located in TORONTO.
Companies Rice William G. has filed insider reports for
- Aptose Biosciences Inc. (APTO): Director, Officer, Chair, President & CEO
Rice William G.
CIK: 0001761487
Transaction Breakdown
Open Market Buys (P)1 (50.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)1 (50.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
APTO
Aptose Biosciences Inc.
DirectorOfficer